The investigation of the chip behaviour during the end milling cutting process Ovidiu Virgil Vereş, Marcel Sabin Popa, Stefan Sattel, Claudiu Ioan Jugrestan and Elena Adina Cotargă MATEC Web Conf., 112 (2017) 01014 Published online: 03 July 2017 DOI: 10.1051/matecconf/201711201014